TH7888A Datasheet, PDF (16/21 Pages) ATMEL Corporation – Area Array CCD Image Sensor (1024 x 1024 Pixels with Antiblooming)

Figure 16. Smearing Effect
50
40
30
100 x E_SAT
20
10
10 x E_SAT
0
0
2
4
6
8
10
% of Overilluminated Zone (Height)
N_ESAT = number of times E_SAT
V_{----S---M-----E---A---R---I--N----G--}
V_SAT
=
N_ESAT
×
T_----V-
T_I
×
H
with E_SAT = V_SAT/responsivity
(typical illumination conditions)
• Ti = integration time
• Tv = image to memory transfer time
Vertical Smearing
Overillumination
a
H
b
Smearing Level
Vsat
a,b Signal Line
16 TH7888A
1999A–IMAGE–09/03